RealView: Allow ARMv7 support for RealView/EB

This patch changes the CPU_V7 configuration dependency to allow
MACH_REALVIEW_EB.
Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com>

arch/arm/mm/Kconfig

@@ -409,7 +409,7 @@ config CPU_32v6K
 # ARMv7
 config CPU_V7
 	bool "Support ARM V7 processor"
-	depends on ARCH_INTEGRATOR
+	depends on ARCH_INTEGRATOR || MACH_REALVIEW_EB
 	select CPU_32v6K
 	select CPU_32v7
 	select CPU_ABRT_EV7